*,body,ul,li,h1,h2 {
    margin: 0;
    padding: 0;
    list-style: none;
}

body {
    font: 12px "宋体";
    padding-top: 20px;
}

#menu {
    width: 200px;
    margin: auto;
}

#menu h1 {
    cursor: pointer;
    color: #FFF;
    font-size: 12px;
    padding: 5px 0 3px 10px;
    border: #C60 1px solid;
    margin-top: 1px;
    background-color: #F93;
}

#menu h2 {
    cursor: pointer;
    color: #777;
    font-size: 12px;
    padding: 5px 0 3px 10px;
    border: #E7E7E7 1px solid;
    border-top-color: #FFF;
    background-color: #F4F4F4;
}

#menu ul {
    padding-left: 15px;
    height: 100px;
    border: #E7E7E7 1px solid;
    border-top: none;
    overflow: auto;
}

#menu ul li {
    padding: 5px 0 3px 10px;
}

.no {
    display: none;
}